diff --git a/readme.md b/readme.md index 275194a..ab46d94 100644 --- a/readme.md +++ b/readme.md @@ -1750,7 +1750,11 @@ UK 13A sockets at the moment. --- ## Microswitches -Used for limit switches. +Used for limit switches. Currently only the button type is supported as the lever and roller types are less accurate. + +The switch is drawn with the button at the nominal operation point. This can be plus or minus `microswitch_op_tol(type)`. + +When the button is released it comes out by a maximum of `microswitch_fp_max(type)` from the nominal operating point. [vitamins/microswitches.scad](vitamins/microswitches.scad) Object definitions. @@ -1763,14 +1767,16 @@ Used for limit switches. |:--- |:--- | | `microswitch_body_clr(type)` | Body colour | | `microswitch_button_clr(type)` | Button colour | -| `microswitch_button_pos(type)` | Button position | +| `microswitch_button_pos(type)` | Button position at operating point | | `microswitch_button_t(type)` | Button thickness | | `microswitch_button_w(type)` | Button width | +| `microswitch_fp_max(type)` | Free position maximum | | `microswitch_hole_d(type)` | Screw hole diameter | | `microswitch_holes(type)` | Hole positions | | `microswitch_leg(type)` | Leg types | | `microswitch_legs(type)` | Leg positions | | `microswitch_length(type)` | Body length | +| `microswitch_op_tol(type)` | Operating position +/- tolerance | | `microswitch_radius(type)` | Body corner radius | | `microswitch_thickness(type)` | Body thickness | | `microswitch_width(type)` | Body width | diff --git a/vitamins/microswitch.scad b/vitamins/microswitch.scad index 0fe3b9d..af6b131 100644 --- a/vitamins/microswitch.scad +++ b/vitamins/microswitch.scad @@ -18,7 +18,11 @@ // // -//! Used for limit switches. +//! Used for limit switches. Currently only the button type is supported as the lever and roller types are less accurate. +//! +//! The switch is drawn with the button at the nominal operation point. This can be plus or minus `microswitch_op_tol(type)`. +//! +//! When the button is released it comes out by a maximum of `microswitch_fp_max(type)` from the nominal operating point. // include <../utils/core/core.scad> @@ -32,11 +36,13 @@ function microswitch_hole_d(type) = type[6]; //! Screw hole diameter function microswitch_holes(type) = type[7]; //! Hole positions function microswitch_button_w(type) = type[8]; //! Button width function microswitch_button_t(type) = type[9]; //! Button thickness -function microswitch_button_pos(type)= type[10]; //! Button position -function microswitch_legs(type) = type[11]; //! Leg positions -function microswitch_leg(type) = type[12]; //! Leg types -function microswitch_body_clr(type) = type[13]; //! Body colour -function microswitch_button_clr(type)= type[14]; //! Button colour +function microswitch_button_pos(type)= type[10]; //! Button position at operating point +function microswitch_op_tol(type) = type[11]; //! Operating position +/- tolerance +function microswitch_fp_max(type) = type[12]; //! Free position maximum +function microswitch_legs(type) = type[13]; //! Leg positions +function microswitch_leg(type) = type[14]; //! Leg types +function microswitch_body_clr(type) = type[15]; //! Body colour +function microswitch_button_clr(type)= type[16]; //! Button colour function microswitch_lower_extent(type) = let(leg = microswitch_leg(type)) min([for(pos = microswitch_legs(type)) pos.y - leg.y / 2]); //! How far legs extend downwards function microswitch_right_extent(type) = let(leg = microswitch_leg(type)) max([microswitch_length(type) / 2, for(pos = microswitch_legs(type)) pos.x + leg.x / 2]); //! How far legs extend right diff --git a/vitamins/microswitches.scad b/vitamins/microswitches.scad index 224af43..b8663eb 100644 --- a/vitamins/microswitches.scad +++ b/vitamins/microswitches.scad @@ -23,10 +23,19 @@ small_leg = [0.9, 3.3, 0.4, 0]; medium_leg = [0.5, 3.9, 3.2, 1.6, [0, -0.5]]; large_leg = [11.4, 0.8, 6.3, 1.8, [1.7, 0]]; - -small_microswitch = ["small_microswitch", "DM1-00P-110-3", 5.8, 6.5, 12.8, 0, 2, [[-3.25, -1.65], [3.25, -1.65]], 2.9, 1.2, [-1.95, 3.75], [[-5.08, -4.95], [0, -4.9], [5.08, -4.9] ], small_leg, grey(20), "white" ]; -medium_microswitch = ["medium_microswitch","SS-01 or SS-5GL", 6.4, 10.2, 19.8, 1, 2.35, [[-4.8, -2.6 ], [4.7, -2.6 ]], 3.2, 2, [-2.8, 5.8 ], [[-8.05, -7.05], [0.75, -7.05], [8.05, -7.05] ], medium_leg, grey(20), "burlywood" ]; -large_microswitch = ["large_microswitch", "Saia G3 low force", 10.4, 15.9, 28.0, 2, 3.1, [[-11.1, -5.15], [11.2, 5.15]], 4, 2.75,[-9.1, 9.55], [[19.7, 2.19], [19.7, -3.45], [8.3, -10.45] ], large_leg, "ivory", "white" ]; +// t w l r h h b b b o f l l b b +// h i e a o o u u u p p e e o u +// i d n d l l t t t g g d t +// c t g i e e t t t t m y t +// k h t u o o o o a p t o +// n h s d p n n n l x o y c n +// e i o s p l +// s a s w t p n e r c +// n n o s l +// s s r +small_microswitch = ["small_microswitch", "DM1-00P-110-3", 5.8, 6.5, 12.8, 0, 2, [[-3.25, -1.65], [3.25, -1.65]], 2.9, 1.2, [-1.95, 3.75], 0.2, 0.55, [[-5.08, -4.95], [0, -4.9], [5.08, -4.9] ], small_leg, grey(20), "white" ]; +medium_microswitch = ["medium_microswitch","SS-01 or SS-5GL", 6.4, 10.2, 19.8, 1, 2.35, [[-4.8, -2.6 ], [4.7, -2.6 ]], 3.2, 2, [-2.8, 5.8 ], 0.5, 1.00, [[-8.05, -7.05], [0.75, -7.05], [8.05, -7.05] ], medium_leg, grey(20), "burlywood" ]; +large_microswitch = ["large_microswitch", "Saia G3 low force", 10.4, 15.9, 28.0, 2, 3.1, [[-11.1, -5.15], [11.2, 5.15]], 4, 2.75,[-9.1, 9.55], 0.3, 1.2, [[19.7, 2.19], [19.7, -3.45], [8.3, -10.45] ], large_leg, "ivory", "white" ]; //G3M1T1PUL microswitches = [small_microswitch, medium_microswitch, large_microswitch];